import dayjs from 'dayjs';
import { resolve } from 'path';
import pkg from './package.json';
import { warpperEnv } from './build';
import { getPluginsList } from './build/plugins';
import { include, exclude } from './build/optimize';
import { UserConfigExport, ConfigEnv, loadEnv } from 'vite';

/** 当前执行node命令时文件夹的地址（工作目录） */
const root: string = process.cwd();

/** 路径查找 */
const pathResolve = (dir: string): string => {
  return resolve(__dirname, '.', dir);
};

/** 设置别名 */
const alias: Record<string, string> = {
  '@': pathResolve('src'),
  '@build': pathResolve('build'),
};

const { dependencies, devDependencies, name, version } = pkg;
const __APP_INFO__ = {
  pkg: { dependencies, devDependencies, name, version },
  lastBuildTime: dayjs(new Date()).format('YYYY-MM-DD HH:mm:ss'),
};

export default ({ command, mode }: ConfigEnv): UserConfigExport => {
  const { VITE_CDN, VITE_PORT, VITE_COMPRESSION, VITE_PUBLIC_PATH, VITE_BASE_API, VITE_AUTH } = warpperEnv(loadEnv(mode, root));
  return {
    base: VITE_PUBLIC_PATH,
    root,
    resolve: {
      alias,
    },
    // 服务端渲染
    server: {
      // 是否开启 https
      https: false,
      // 端口号
      port: VITE_PORT,
      host: '0.0.0.0',
      // 本地跨域代理 https://cn.vitejs.dev/config/server-options.html#server-proxy
      proxy: {
        '/api': {
          target: VITE_BASE_API,
          changeOrigin: true,
        },
        '/oauth2': {
          target: VITE_AUTH,
          changeOrigin: true,
        },
      },
    },
    css: {
      preprocessorOptions: {
        scss: {
          additionalData: `@use "@/style/element/index.scss" as *;`,
        },
      },
    },
    plugins: getPluginsList(command, VITE_CDN, VITE_COMPRESSION),
    // https://cn.vitejs.dev/config/dep-optimization-options.html#dep-optimization-options
    optimizeDeps: {
      include,
      exclude,
    },
    build: {
      sourcemap: false,
      // 消除打包大小超过500kb警告
      chunkSizeWarningLimit: 4000,
      rollupOptions: {
        input: {
          index: pathResolve('index.html'),
        },
        // 静态资源分类打包
        output: {
          chunkFileNames: 'static/js/[name]-[hash].js',
          entryFileNames: 'static/js/[name]-[hash].js',
          assetFileNames: 'static/[ext]/[name]-[hash].[ext]',
        },
      },
    },
    define: {
      __INTLIFY_PROD_DEVTOOLS__: false,
      __APP_INFO__: JSON.stringify(__APP_INFO__),
    },
  };
};
